# My first program R programing;
myString<-"hello world!";
print(myString);
# 数据类型
# (逻辑型 logical )
v <- TRUE; 
print( class( v ) );
# (数字型 Numberic )
v <- 23.5;
print( class( v ));
# (整数型 Integer)
v<- -2L
print( class( v ));
# (复合型 Complex )
v <- 2+5i;
print( class( v )); 
# (字符型 Character)
v <- "character";
print( v );
# (原型 raw 存储二进制)
v <- "hello world";
print( class(charToRaw(v)));